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Oldest white dwarf star catches amateur's eye – and its dusty ring leaves boffins baffled
mercredi 20 février 2019, 07:11 , par TheRegister
J0207 is estimated to be a mere three-billion years old and just 145 light years away
Pic An amateur astronomer has discovered the oldest-known white dwarf star, sitting 145 light years away from Earth in the Capricornus constellation.…
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